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8.7 High

CVE-2026-93436 vLLM through 0.29.0 fails to properly clean up decode-side metadata for rejected inference requests in prefill/decode…

Description

vLLM through 0.29.0 fails to properly clean up decode-side metadata for rejected inference requests in prefill/decode disaggregated deployments. Remote attackers can submit requests with max_tokens=0 to exhaust decode-worker memory without bound until the worker restarts.

Affected products and versions

Product Affected versions Fixed in
vllm 0.29 earliest → 0.29.0 No fix stated

References

Timeline

  1. Published
  2. Last modified

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